Spiders eat 400-800 million tons of prey every year

It has long been suspected that spiders are one of the most important groups of predators of insects. Zoologists at the University of Basel and Lund University in Sweden have now shown just how true this is - spiders kill ...

Fuel efficient tech may threaten climate, public health

New automotive technology that promises enhanced fuel efficiency may have a serious downside, including significant climate and public health impacts, according to research from the University of Georgia College of Engineering.

Fate of meerkats tied to seasonal climate effects

The effects of climate change are especially obvious in arid environments where resources are scarce and subject to seasonal availability. However, the demographic mechanisms through which seasonal climate affects population ...

Elusive long-fingered frog found after 62 years

Herpetologists from the California Academy of Sciences and University of Texas at El Paso discovered a single specimen of the Bururi long-fingered frog (Cardioglossa cyaneospila) during a research expedition to Burundi in ...

Global analysis of large carnivore habitats

Although humans have driven lions, tigers, wolves, bears and other large carnivores from much of their home territories across the planet, scientists have identified more than 280 areas where these animals could potentially ...

page 1 from 22

Population density

Population density (in agriculture standing stock and standing crop) is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans. It is a key term used in geography.

This text uses material from Wikipedia, licensed under CC BY-SA